iLs ("Integrated Listening System") is an emerging treatment used by OTs for treating various disorders, such as autism. It can be used to treat audio and visual hypersensitivity, information processing, and (I think) vestibular problems as well.
Here is a brand-new case study in which iLs was used to successfully treat someone who has had mTBI for 11 years:
http://www.integratedlistening.com/c...-brain-injury/
I am going to be starting iLs treatment soon, and will post some updates.